42889840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 124992000

約数和(自身を除く): 82102160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 139, 140, 145, 152, 190, 203, 232, 266, 278, 280, 290, 304, 380, 406, 464, 532, 551, 556, 560, 580, 665, 695, 760, 812, 973, 1015, 1064, 1102, 1112, 1160, 1330, 1390, 1520, 1624, 1946, 2030, 2128, 2204, 2224, 2320, 2641, 2660, 2755, 2780, 3248, 3857, 3892, 4031, 4060, 4408, 4865, 5282, 5320, 5510, 5560, 7714, 7784, 8062, 8120, 8816, 9730, 10564, 10640, 11020, 11120, 13205, 15428, 15568, 16124, 16240, 18487, 19285, 19460, 20155, 21128, 22040, 26410, 28217, 30856, 32248, 36974, 38570, 38920, 40310, 42256, 44080, 52820, 56434, 61712, 64496, 73948, 76589, 77140, 77840, 80620, 92435, 105640, 112868, 141085, 147896, 153178, 154280, 161240, 184870, 211280, 225736, 282170, 295792, 306356, 308560, 322480, 369740, 382945, 451472, 536123, 564340, 612712, 739480, 765890, 1072246, 1128680, 1225424, 1478960, 1531780, 2144492, 2257360, 2680615, 3063560, 4288984, 5361230, 6127120, 8577968, 10722460, 21444920, 42889840]

約数ペア:

[(1, 42889840), (2, 21444920), (4, 10722460), (5, 8577968), (7, 6127120), (8, 5361230), (10, 4288984), (14, 3063560), (16, 2680615), (19, 2257360), (20, 2144492), (28, 1531780), (29, 1478960), (35, 1225424), (38, 1128680), (40, 1072246), (56, 765890), (58, 739480), (70, 612712), (76, 564340), (80, 536123), (95, 451472), (112, 382945), (116, 369740), (133, 322480), (139, 308560), (140, 306356), (145, 295792), (152, 282170), (190, 225736), (203, 211280), (232, 184870), (266, 161240), (278, 154280), (280, 153178), (290, 147896), (304, 141085), (380, 112868), (406, 105640), (464, 92435), (532, 80620), (551, 77840), (556, 77140), (560, 76589), (580, 73948), (665, 64496), (695, 61712), (760, 56434), (812, 52820), (973, 44080), (1015, 42256), (1064, 40310), (1102, 38920), (1112, 38570), (1160, 36974), (1330, 32248), (1390, 30856), (1520, 28217), (1624, 26410), (1946, 22040), (2030, 21128), (2128, 20155), (2204, 19460), (2224, 19285), (2320, 18487), (2641, 16240), (2660, 16124), (2755, 15568), (2780, 15428), (3248, 13205), (3857, 11120), (3892, 11020), (4031, 10640), (4060, 10564), (4408, 9730), (4865, 8816), (5282, 8120), (5320, 8062), (5510, 7784), (5560, 7714)]